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能求这个三次方程的精确解吗？

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longma posted 2017-10-28 14:34 |Read mode

Last edited by hbghlyj 2025-4-6 03:40$3x^3+x-2=0$

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kuing posted 2017-10-28 15:28

请自行百度“一元三次方程求根公式”

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isee posted 2017-10-28 18:14

这里也有问
forum.php?mod=viewthread&tid=4932

9楼也有
forum.php?mod=viewthread&tid=4896

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kuing posted 2017-10-28 20:36

回复 3# isee

所以回楼主的帖看来基本白回

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